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–+ servings
Cast iron flank steak on a grill skillet.
5 from 10 votes

Quick Marinade Flat Iron Steak Recipe

This flat iron steak is sure to become a favorite. With its juicy texture and delicious flavor, it's the perfect choice for any night of the week.
Prep Time5 minutes
Cook Time6 minutes
Additional Time1 hour 10 minutes
Total Time1 hour 21 minutes
Course: Main Dishes
Cuisine: American
Servings: 2
Calories: 271kcal
Author: Laura Ascher

Ingredients

  • 2 flat iron steaks one inch thick
  • Avocado oil
  • Seasonings of choice or
  • 1 tablespoon of coarse sea salt
  • 1/2 tablespoon each of brown sugar and dried minced garlic
  • 1 teaspoon each of ground black pepper and smoked paprika
  • 1/4 teaspoon each of ground mustard and thyme

Instructions

  • Lightly drizzle both steaks with oil.
  • Combine the spices in a small bowl and coat both sides of the steaks with the seasonings.
  • Leave the steaks to marinate on the counter for up to an hour.
  • Preheat a large cast iron skillet, or grill skillet on medium-high heat.
  • Lightly coat the skillet in avocado oil before carefully placing the steaks onto the pan.
  • Sear each side for approximately 3 minutes for medium rare. Use an instant thermometer to check the internal temperature.
  • Remove from heat to rest for 10 minutes.

Notes

Store any extra seasonings in an airtight container for next time!